Characterization of plastic deformation and material flow in ultrasonic vibration enhanced friction stir welding. (June 2015)

• Record Type: Journal Article
• Authors: Liu, Xiaochao; Wu, Chuansong; Padhy, Girish Kumar
• Is Part Of: Scripta materialia. Volume 102(2015)
• Page Start: 95
• Page End: 98
• Publication Date: 2015-06
• Subjects: Friction stir welding -- Ultrasonic vibration -- Plastic deformation -- Material flow -- Strain rate; Materials -- Periodicals; Metallurgy -- Periodicals; Metalen; Legeringen; Materiaalkunde; Metals, metalworking and machinery industries; Metals; Electronic journals; 620.11
• DOI: 10.1016/j.scriptamat.2015.02.022
• Languages: English
• ISSNs: 1359-6462

Abstract

Abstract : Material flow and plastic deformation in ultrasonic vibration enhanced friction stir welding are visualized by employing a special marker material and welding procedure. Based on the results, three methods are developed to evaluate the volume of deformed material, the material flow velocity and the strain/strain rate, and the effect of ultrasonic vibration on the plastic deformation and material flow around the tool is characterized.